diff --git a/lib/runtime-core/src/fault.rs b/lib/runtime-core/src/fault.rs
index 6471ec952..9a7cf39e4 100644
--- a/lib/runtime-core/src/fault.rs
+++ b/lib/runtime-core/src/fault.rs
@@ -476,7 +476,7 @@ pub unsafe fn get_fault_info(siginfo: *const c_void, ucontext: *mut c_void) -> F
     let ucontext = ucontext as *mut ucontext;
     let gregs = &(*ucontext).uc_mcontext.regs;
 
-    let mut known_registers: [Option<u64>; 24] = [None; 24];
+    let mut known_registers: [Option<u64>; 32] = [None; 32];
 
     known_registers[X64Register::GPR(GPR::R15).to_index().0] = Some(gregs[15] as _);
     known_registers[X64Register::GPR(GPR::R14).to_index().0] = Some(gregs[14] as _);
diff --git a/lib/runtime-core/src/state.rs b/lib/runtime-core/src/state.rs
index f48548514..35052b0fa 100644
--- a/lib/runtime-core/src/state.rs
+++ b/lib/runtime-core/src/state.rs
@@ -529,7 +529,7 @@ pub mod x64 {
 
         let mut last_stack_offset: u64 = 0; // rbp
 
-        let mut known_registers: [Option<u64>; 24] = [None; 24];
+        let mut known_registers: [Option<u64>; 32] = [None; 32];
 
         let local_functions_vec: Vec<&FunctionStateMap> =
             msm.local_functions.iter().map(|(_, v)| v).collect();